2 years ago

There are 8 boys to every 13 girls majoring in business. If

Mathematics

1 answer:

Bas_tet [7]2 years ago

8 0

Answer:

609

Step-by-step explanation:

337 divided by 13 is 29 so then you have to multiply 29 by 8 and finally add 232+337 and you get 609

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A sphere has diameter 28 cm. If the diameter is divided by 2, what is the effect on the surface area?

spayn [35]

Answer:

The surface area is divided by 4.

Step-by-step explanation:

Surface area of a sphere is 4πr².

When the diameter is 28 the radius is 14. So: 4π(14)² = 784π

If you cut the diameter in half you get 14. The radius is now 7.

4π(7)² = 196π.

784/4 = 196 so divided by 4.

4 0

3 years ago

Can someone teach me how to balance algebra equations, I just don't get how to do it. Like with fractions?

natka813 [3]

Answer:

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